Deprecate SSL_library_init.

It just calls CRYPTO_library_init and doesn't do anything else. If
anything, I'd like to make CRYPTO_library_init completely go away too.
We have CRYPTO_once now, so I think it's safe to assume that, if ssl/
ever grows initialization needs beyond that of crypto/, we can hide it
behind a CRYPTO_once and not burden callers.

Change-Id: I63dc362e0e9e98deec5516f4620d1672151a91b6
Reviewed-on: https://boringssl-review.googlesource.com/6311
Reviewed-by: Adam Langley <alangley@gmail.com>
diff --git a/ssl/pqueue/pqueue_test.c b/ssl/pqueue/pqueue_test.c
index 5a68fc4..f76e4a3 100644
--- a/ssl/pqueue/pqueue_test.c
+++ b/ssl/pqueue/pqueue_test.c
@@ -15,6 +15,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <openssl/crypto.h>
 #include <openssl/pqueue.h>
 #include <openssl/ssl.h>
 
@@ -117,7 +118,7 @@
 }
 
 int main(void) {
-  SSL_library_init();
+  CRYPTO_library_init();
 
   if (!trivial() || !fixed_random()) {
     return 1;
diff --git a/ssl/ssl_test.cc b/ssl/ssl_test.cc
index 810d3fa..875fac8 100644
--- a/ssl/ssl_test.cc
+++ b/ssl/ssl_test.cc
@@ -20,6 +20,7 @@
 
 #include <openssl/base64.h>
 #include <openssl/bio.h>
+#include <openssl/crypto.h>
 #include <openssl/err.h>
 #include <openssl/ssl.h>
 
@@ -819,7 +820,7 @@
 }
 
 int main() {
-  SSL_library_init();
+  CRYPTO_library_init();
 
   if (!TestCipherRules() ||
       !TestSSL_SESSIONEncoding(kOpenSSLSession) ||
diff --git a/ssl/test/bssl_shim.cc b/ssl/test/bssl_shim.cc
index 87f713f..a133d09 100644
--- a/ssl/test/bssl_shim.cc
+++ b/ssl/test/bssl_shim.cc
@@ -39,6 +39,7 @@
 #include <openssl/buf.h>
 #include <openssl/bytestring.h>
 #include <openssl/cipher.h>
+#include <openssl/crypto.h>
 #include <openssl/err.h>
 #include <openssl/hmac.h>
 #include <openssl/rand.h>
@@ -1364,9 +1365,7 @@
   signal(SIGPIPE, SIG_IGN);
 #endif
 
-  if (!SSL_library_init()) {
-    return 1;
-  }
+  CRYPTO_library_init();
   g_config_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
   g_state_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, TestStateExFree);
   if (g_config_index < 0 || g_state_index < 0) {